Systems Architect

Seeking an experienced System Architect to join our team in London to define and oversee the technical architecture of a major spacecraft mission within the space sector. You will shape the endtoend system design ensuring that all subsystems integrate seamlessly into a coherent reliable and missionready spacecraft platform.

• Location: London
• On Site: 1-2x a month
• Clearance: Clearable 
• Experience Level: Mid Level - Senior 

Key Responsibilities:

• Define the overall spacecraft architecture ensuring alignment with mission objectives constraints and performance requirements.
• Lead the development of systemlevel concepts including functional breakdowns subsystem interactions and highlevel design flows.
• Own and maintain the technical baseline ensuring consistency across electrical mechanical RF software thermal and payload domains.
• Produce and manage system specifications architectural documentation and interface definitions.
• Drive tradeoff analyses evaluating design options across performance reliability mass power and cost.
• Support risk identification mitigation strategies and architectural decisions that impact mission reliability.
• Oversee systemlevel verification and validation ensuring the architecture is fully testable and compliant.
• Collaborate with AIT mission operations and engineering teams to ensure architectural consistency throughout development and testing.
• Provide senior technical leadership mentoring engineers and influencing longterm architectural strategy.

Qualifications :

Required Skills:

• Mandatory Space industry experience direct involvement in spacecraft architecture satellite systems or missioncritical space hardware.
• Proven experience defining system architectures for complex aerospace or space platforms.
• Strong understanding of subsystem domains (electrical mechanical RF software thermal payload).
• Skilled in producing systemlevel documentation specifications and architectural models.
• Strong analytical skills for trade studies risk analysis and architectural decisionmaking.
• Ability to coordinate across multidisciplinary engineering teams and drive systemlevel coherence.
• Experience supporting systemlevel verification validation and design reviews.

Required Qualifications:

• A Bachelors or Masters degree in Engineering or equivalent military experience.

Desirable Skills:

• Knowledge of ECSS or similar spaceindustry standards.
• Experience with MBSE tools or modelbased architectural frameworks.
• Familiarity with spacecraft AIT workflows and systemlevel testing.
• Understanding of mission analysis operations concepts and spacecraft behaviour modelling.
• Exposure to configuration control change management and baseline evolution.
• Experience contributing to longterm architectural roadmaps or multimission system strategies.

Additional Information :

Why join us 

We bring together entrepreneurial tech-driven people to deliver innovative solutions for leading companies.

At ALTEN youll work on exciting projects supported by ongoing learning mentoring and clear career development tailored to your goals.

Join a passionate team and help build tomorrow today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community including veterans reservists service leavers and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process please let us know. 

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website . If you are unable to meet this and any associated criteria then your employment may be delayed or rejected . Details of this will be discussed with you at interview.

Remote Work :

Yes

Employment Type :

Full-time